@mixin border-1px($color:$light,$style:solid) {
  position: relative;
  &:after{
    content:'';
    position: absolute;
    left: 0;
    bottom: px2rem(-1px);
    width: 100%;
    height: 0;
    border-bottom: px2rem(1px) $style $color;
  }
}
@mixin border-none() {
  &:after{
    display: none;
    content: initial;
  }
}

@mixin bg-image($url) {
  background-image: url($url+"@2x.png");
  @media (-webkit-min-device-pixel-ratio:3),(min-device-pixel-ratio:3){
    background-image: url($url+"@3x.png");
  }
}